Sleep disordered breathing (SDB) is a common condition affecting up to 9% of adults with serious neurocognitive, metabolic and cardiovascular consequences that has a significant impact on public health. Evidence indicates that the physiologic changes occurring during pregnancy, particularly during the third trimester, increase the risk of those women to develop SDB. As in the general population, SDB during pregnancy is more frequent among obese women. In the light of the increasing prevalence of obesity among females of reproductive age, SDB may thus have an increasingly significant impact on women's and children's health by contributing to the adverse maternal and fetal outcomes associated with maternal obesity.